The highlight is added to easily display that something other than specific numbers is going on within the file.
Green cells simply mean that the cell contains a sum formula, because the cell represents a subtotal, and the formula is used to create the XBRL mapping when we convert your files.
The orange cells mean that the sum of the subtotal produces a calculation inconsistency or rounding error and because of this a value (usually + or - 1) has been added to the calculation.